Traffic Lights for model train set.. There are no diodes on relays due to EC .****IS MY CIRCUIT A CHAT ROOM???? Nearly more unrelated comments than views if possible please leave me out of any ones problems as I don't want to be on either side. Thank you all for your understanding. Again note to all new comers to Everycircuit. If you click “in Chrome” or tap “in app” on a user names you will see their profile and a list of their public circuits for viewing.